Deep explanation: webhook URL pointing to http://169.254.169.254/metadata/identity/oauth2/token

Warning: the IP 169.254.169.254 is a well-known link-local address used by many cloud providers (including Azure, AWS, Google Cloud) to expose instance metadata and identity/token services. Treat any webhook or callback that uses this address as highly sensitive: it can be used to obtain credentials or tokens for the VM or container hosting the service. The following deep text explains risks, attack techniques, detection, mitigation, and secure design patterns.

This URL is used by Azure and possibly other cloud services for their Instance Metadata Service. The purpose of this service is to provide information about the virtual machine (VM) it's running on, without requiring the VM to have any specific knowledge of the cloud it's running in. This includes retrieving tokens for accessing other resources.

URL decoded from your string: http://169.254.169.254/metadata/identity/oauth2/token

# From inside an Azure VM with Managed Identity enabled
curl 'http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01&resource=https://management.azure.com/' -H 'Metadata: true'
Nothing found :(
Try something else

((free)): Webhook-url-http-3a-2f-2f169.254.169.254-2fmetadata-2fidentity-2foauth2-2ftoken

Deep explanation: webhook URL pointing to http://169.254.169.254/metadata/identity/oauth2/token

Warning: the IP 169.254.169.254 is a well-known link-local address used by many cloud providers (including Azure, AWS, Google Cloud) to expose instance metadata and identity/token services. Treat any webhook or callback that uses this address as highly sensitive: it can be used to obtain credentials or tokens for the VM or container hosting the service. The following deep text explains risks, attack techniques, detection, mitigation, and secure design patterns.

This URL is used by Azure and possibly other cloud services for their Instance Metadata Service. The purpose of this service is to provide information about the virtual machine (VM) it's running on, without requiring the VM to have any specific knowledge of the cloud it's running in. This includes retrieving tokens for accessing other resources. Deep explanation: webhook URL pointing to http://169

URL decoded from your string: http://169.254.169.254/metadata/identity/oauth2/token This URL is used by Azure and possibly

# From inside an Azure VM with Managed Identity enabled
curl 'http://169.254.169.254/metadata/identity/oauth2/token?api-version=2018-02-01&resource=https://management.azure.com/' -H 'Metadata: true'